Visible below the waves are memorials to the city's Gold Rush dead.

An invitation-only museum of items natural and bizarre, arcane and exotic.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

San Francisco's newly reopened hands-on science museum.

A 140-year-old castle with underground caves hidden in San Francisco.

Its buzzing collection honors vibrator history.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

When you can't get to the Pacific, just go to Florida.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Over 120,000 curious objects that have shaped our modern world.

Former villa and estate of James Deering developed to preserve native tropical forests.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

A museum befitting the city responsible for supplying the majority of the world's LSD.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A historic hotel in an old California railroad town with a rowdy reputation.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A huge musical instrument played by the ocean.

Over 315,000 preserved amphibians and reptiles in jars.